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Objective To compare laparoscopic Keyhole repair with the modified Sugarbaker repair in a nonrandomized case-controlled prospective study of consecutive patients with parastomal hernia. Background Two reviews of uncontrolled studies concluded that the Sugarbaker repair is superior to the Keyhole repair. The present study challenges the claim. Materials and Methods In two time periods, 135 patients with a parastomal hernia were repaired with the Keyhole technique (74 patients, using a two-layer mesh of polypropylene and polytetrafluoroe